DEFINITIONS 581 of the same. But the disclosed meaning is satisfying, or in other words the demonstrated regularity deserves the name, only when it adequately renders the nature of phantasy. There is a law-abiding regularity in the Nature-process, and also a regularity of the Nature-process, It is certainly law-determined and regular that one dreams when one sleeps; but there is no sort of law-determined principle that affirms anything about the nature of the dream. Its nature is a mere condition of the dream. The demonstra- tion of a physiological source of the phantasy is a mere condition of its existence, not a law of its nature. The law of phantasy as a psychological phenomenon can only be a psychological law. We now come to the second point of otir explanation of the concept of phantasy> viz. imaginative activity, Imagination is the reproductive, or creative, activity of the mind generally, though not a special faculty, since it may come into play in all the basic forms of psychic activity, whether thinking feeling, sensation, or intuition* Phantasy as Imaginative activity is, in my view, simply the direct expression of psychic vital activity: it is energy merely appearing in consciousness in the form of images or contents, just as physical energy also reveals itself as a definite1, physical state wherein sense organs are stimulated in physical ways. For as every physical state—from the energic standpoint—is merely a dynamic system, so, too, a psychic content—regarded energically—is merely a dynamic system appearing in consciousness. Hence from this standpoint one may affirm that phantasy in the form of phantasm is morely a definite sum of libido which cannot appear in consciousness in any other way than in the form of an image, Phantasm is an * id6e-force'. Phantasy as imaginative activity in identical with the course ot the energic psychic process,